/*
 * All rights Reserved, Designed By DataDriver
 * Copyright:    DataDriver.Inc
 * Company:      Zhuo Wo Infomation Technology (ShangHai) CO.LTD
 */
package com.sun.bq;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.TimeUnit;

/**
 * 同步队列
 * 没有容量，
 * 进去一个元素，必须等待取出来之后，才能再往里面放一个元素！
 */
public class SynchronousQueueDemo {

    public static void main(String[] args) {
        BlockingQueue<String> blockingQueue = new SynchronousQueue(); //同步队列
        new Thread(()->{
            try {
                System.out.println(Thread.currentThread().getName() + ":put 1");
                blockingQueue.put("1");
                System.out.println(Thread.currentThread().getName() + ":put 2");
                blockingQueue.put("2");
                System.out.println(Thread.currentThread().getName() + ":put 3");
                blockingQueue.put("3");
            } catch (Exception exception) {
                exception.printStackTrace();
            } finally {
            }
        },"A").start();


        new Thread(()->{
            try {
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "=>" + blockingQueue.take());
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "=>" + blockingQueue.take());
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "=>" + blockingQueue.take());
            } catch (Exception exception) {
                exception.printStackTrace();
            } finally {
            }
        },"B").start();
    }
}
